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Async/await in transaction-graph (#4645)

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* async/await in tx graph

* review notes

* remove unused typedef
This commit is contained in:
Nikolay Volf
2020-01-24 05:22:39 -08:00
committed by GitHub
parent b7887df104
commit 1614ce0996
3 changed files with 144 additions and 156 deletions
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substrate/client/transaction-pool/src/lib.rs
+24 -10
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@@ -39,9 +39,11 @@ use sp_runtime::{
use sp_transaction_pool::{
TransactionPool, PoolStatus, ImportNotificationStream,
TxHash, TransactionFor, TransactionStatusStreamFor, BlockHash,
MaintainedTransactionPool,
MaintainedTransactionPool, PoolFuture,
};
type PoolResult<T> = PoolFuture<T, error::Error>;
/// Basic implementation of transaction pool that can be customized by providing PoolApi.
pub struct BasicPool<PoolApi, Block>
where
@@ -129,28 +131,40 @@ impl<PoolApi, Block> TransactionPool for BasicPool<PoolApi, Block>
fn submit_at(
&self,
at: &BlockId<Self::Block>,
xts: impl IntoIterator<Item=TransactionFor<Self>> + 'static,
) -> Box<dyn Future<Output=Result<Vec<Result<TxHash<Self>, Self::Error>>, Self::Error>> + Send + Unpin> {
Box::new(self.pool.submit_at(at, xts, false))
xts: Vec<TransactionFor<Self>>,
) -> PoolResult<Vec<Result<TxHash<Self>, Self::Error>>> {
let pool = self.pool.clone();
let at = *at;
async move {
pool.submit_at(&at, xts, false).await
}.boxed()
}
fn submit_one(
&self,
at: &BlockId<Self::Block>,
xt: TransactionFor<Self>,
) -> Box<dyn Future<Output=Result<TxHash<Self>, Self::Error>> + Send + Unpin> {
Box::new(self.pool.submit_one(at, xt))
) -> PoolResult<TxHash<Self>> {
let pool = self.pool.clone();
let at = *at;
async move {
pool.submit_one(&at, xt).await
}.boxed()
}
fn submit_and_watch(
&self,
at: &BlockId<Self::Block>,
xt: TransactionFor<Self>,
) -> Box<dyn Future<Output=Result<Box<TransactionStatusStreamFor<Self>>, Self::Error>> + Send + Unpin> {
Box::new(
self.pool.submit_and_watch(at, xt)
) -> PoolResult<Box<TransactionStatusStreamFor<Self>>> {
let at = *at;
let pool = self.pool.clone();
async move {
pool.submit_and_watch(&at, xt)
.map(|result| result.map(|watcher| Box::new(watcher.into_stream()) as _))
)
.await
}.boxed()
}
fn remove_invalid(&self, hashes: &[TxHash<Self>]) -> Vec<Arc<Self::InPoolTransaction>> {